Reorganize state models for clarity (#378)

src/state/models/reposted-by-view.ts

@@ -1,135 +0,0 @@
-import {makeAutoObservable, runInAction} from 'mobx'
-import {AtUri} from '../../third-party/uri'
-import {
-  AppBskyFeedGetRepostedBy as GetRepostedBy,
-  AppBskyActorDefs,
-} from '@atproto/api'
-import {RootStoreModel} from './root-store'
-import {bundleAsync} from 'lib/async/bundle'
-import {cleanError} from 'lib/strings/errors'
-import * as apilib from 'lib/api/index'
-
-const PAGE_SIZE = 30
-
-export type RepostedByItem = AppBskyActorDefs.ProfileViewBasic
-
-export class RepostedByViewModel {
-  // state
-  isLoading = false
-  isRefreshing = false
-  hasLoaded = false
-  error = ''
-  resolvedUri = ''
-  params: GetRepostedBy.QueryParams
-  hasMore = true
-  loadMoreCursor?: string
-
-  // data
-  uri: string = ''
-  repostedBy: RepostedByItem[] = []
-
-  constructor(
-    public rootStore: RootStoreModel,
-    params: GetRepostedBy.QueryParams,
-  ) {
-    makeAutoObservable(
-      this,
-      {
-        rootStore: false,
-        params: false,
-      },
-      {autoBind: true},
-    )
-    this.params = params
-  }
-
-  get hasContent() {
-    return this.uri !== ''
-  }
-
-  get hasError() {
-    return this.error !== ''
-  }
-
-  get isEmpty() {
-    return this.hasLoaded && !this.hasContent
-  }
-
-  // public api
-  // =
-
-  async refresh() {
-    return this.loadMore(true)
-  }
-
-  loadMore = bundleAsync(async (replace: boolean = false) => {
-    this._xLoading(replace)
-    try {
-      if (!this.resolvedUri) {
-        await this._resolveUri()
-      }
-      const params = Object.assign({}, this.params, {
-        uri: this.resolvedUri,
-        limit: PAGE_SIZE,
-        cursor: replace ? undefined : this.loadMoreCursor,
-      })
-      const res = await this.rootStore.agent.getRepostedBy(params)
-      if (replace) {
-        this._replaceAll(res)
-      } else {
-        this._appendAll(res)
-      }
-      this._xIdle()
-    } catch (e: any) {
-      this._xIdle(e)
-    }
-  })
-
-  // state transitions
-  // =
-
-  _xLoading(isRefreshing = false) {
-    this.isLoading = true
-    this.isRefreshing = isRefreshing
-    this.error = ''
-  }
-
-  _xIdle(err?: any) {
-    this.isLoading = false
-    this.isRefreshing = false
-    this.hasLoaded = true
-    this.error = cleanError(err)
-    if (err) {
-      this.rootStore.log.error('Failed to fetch reposted by view', err)
-    }
-  }
-
-  // helper functions
-  // =
-
-  async _resolveUri() {
-    const urip = new AtUri(this.params.uri)
-    if (!urip.host.startsWith('did:')) {
-      try {
-        urip.host = await apilib.resolveName(this.rootStore, urip.host)
-      } catch (e: any) {
-        this.error = e.toString()
-      }
-    }
-    runInAction(() => {
-      this.resolvedUri = urip.toString()
-    })
-  }
-
-  _replaceAll(res: GetRepostedBy.Response) {
-    this.repostedBy = []
-    this._appendAll(res)
-  }
-
-  _appendAll(res: GetRepostedBy.Response) {
-    this.loadMoreCursor = res.data.cursor
-    this.hasMore = !!this.loadMoreCursor
-    this.repostedBy = this.repostedBy.concat(res.data.repostedBy)
-    this.rootStore.me.follows.hydrateProfiles(res.data.repostedBy)
-  }
-}